The Topeak TetraRack M2L is an excellent quick-mount rear rack system. It can be attached to full suspension seatstays of MTBs or hardtail MTBs without rack eyelets. Its one-size-fits-all design features an innovative top plate that adjusts to be level regardless of the seatstay angle. The integrated QuickTrack® system enables Topeak TrunkBags to slide, lock in place, and release with just a push of a button. The hook and loop strap mounting system cinches down tightly to keep your load stable and allows mounting on a wide variety of bikes. It's also compatible with KLICKfix® / RackTime® Snapit or Vario system bags. Note that the TetraRack isn't recommended for carbon forks and seat stays, and it's not compatible with front or rear mounted V-Brake type systems. The rack has strut slot adjustments for a level top plate, adjustable straps with padded feet for secure attachment, and a clamp for a rear reflector. It has a mounting length of 200mm, requires seatstay diameter over 15mm, and isn't suitable for carbon frames. It's compatible with seatstays width from 95 - 125mm and has a max load of 12 kg (26 lb). Attachments are seatstays with hook and loop straps, adjustment is via strut slots, materials are aluminum, engineering grade polymer, and nylon straps. It's compatible with Topeak MTX / RX TrunkBags and other specified system bags, has added features like a rear reflector clamp and tail light mount, size is 47.5 x 38.5 x 13.5 cm, and weight is 1.1kg.
Using the Topeak TetraRack M2L is easy. First, make sure your bike's seatstays meet the requirements - the diameter should be larger than 15mm, and the width should be within 95 - 125mm. Also, avoid using it on carbon frames and forks. Then, use the hook and loop straps to attach the rack to the seatstays. Adjust the strut slots so that the top plate of the rack is level. You can now place your Topeak TrunkBags or other compatible bags on the rack. The QuickTrack® system allows you to slide the bags into place and lock them with a button press. For safety, use the clamp to attach a rear reflector. Remember not to exceed the maximum load capacity of 12 kg (26 lb). When it comes to maintenance, regularly check the straps and the connections to ensure they are tight. Clean the rack with a mild soap and water solution to keep it in good condition. If you notice any damage, stop using the rack and consider getting it repaired or replaced.
